4048720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1$

素因数の和:272

約数の個数: 80

約数和(自身を含む): 10780560

約数和(自身を除く): 6731840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 229, 260, 272, 340, 442, 458, 520, 680, 884, 916, 1040, 1105, 1145, 1360, 1768, 1832, 2210, 2290, 2977, 3536, 3664, 3893, 4420, 4580, 5954, 7786, 8840, 9160, 11908, 14885, 15572, 17680, 18320, 19465, 23816, 29770, 31144, 38930, 47632, 50609, 59540, 62288, 77860, 101218, 119080, 155720, 202436, 238160, 253045, 311440, 404872, 506090, 809744, 1012180, 2024360, 4048720]

約数ペア:

[(1, 4048720), (2, 2024360), (4, 1012180), (5, 809744), (8, 506090), (10, 404872), (13, 311440), (16, 253045), (17, 238160), (20, 202436), (26, 155720), (34, 119080), (40, 101218), (52, 77860), (65, 62288), (68, 59540), (80, 50609), (85, 47632), (104, 38930), (130, 31144), (136, 29770), (170, 23816), (208, 19465), (221, 18320), (229, 17680), (260, 15572), (272, 14885), (340, 11908), (442, 9160), (458, 8840), (520, 7786), (680, 5954), (884, 4580), (916, 4420), (1040, 3893), (1105, 3664), (1145, 3536), (1360, 2977), (1768, 2290), (1832, 2210)]